-51.91% is the change from 863 to 415
Calculation steps:
[( 415 - 863 ) ÷ 863] x 100 = -51.91%
Formula
Percentage change = [(415 - 863) / 863] x 100
Subtract the new number by the original number
415 - 863 = -448
-448 ÷ 863 = -0.5191193511008111
-0.5191193511008111 x 100 = -51.91%